Year	Per 1000 Births
1970	13
1971	12.5
1972	12.1
1973	11.6
1974	11.2
1975	10.8
1976	10.4
1977	10
1978	9.7
1979	9.3
1980	9
1981	8.6
1982	8.3
1983	8
1984	7.7
1985	7.4
1986	7.1
1987	6.9
1988	6.6
1989	6.4
1990	6.1
1991	5.9
1992	5.7
1993	5.5
1994	5.3
1995	5.1
1996	4.9
1997	4.7
1998	4.5
1999	4.4
2000	4.2
2001	4.1
2002	3.9
2003	3.8
2004	3.6
2005	3.5
2006	3.4
2007	3.2
2008	3.1
2009	3
2010	2.9
2011	2.8
2012	2.7
2013	2.6
2014	2.5
2015	2.4